« previous next »

Author Question: One method of surface mining is to extract the coal into long strips that follow the coal seams that ... (Read 59 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Jul 21, 2018

One method of surface mining is to extract the coal into long strips that follow the coal seams that are close to the surface. This is called _______________.
 
 


 
  Fill in the blank(s) with the appropriate word(s).

Question 2

New technologies can help reduce the amount of pollutants that coal can introduce into the environment. One of the most popular is coal ____.
 
 

a. catalyzation c. hydrolysis
  b. oxidation d. gasification



nickk12214

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 21, 2018
Answer to Question 1

strip mining

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

A young Lipizzan at the Spanish Riding School in training equipment, wearing saddle, bridle and long A young Lipizzan at the Spanish Riding School in training equipment, wearing saddle, bridle and long
Anterior surface of the eye. Anterior surface of the eye.
Variety of chemical reagents strips. Variety of chemical reagents strips.
West nomogram for estimation of surface areas. West nomogram for estimation of surface areas.
If you are able to earn 6.2% compounded semi-annually in an account, how long will it take for ... If you are able to earn 6.2% compounded semi-annually in an account, how long will it take for ...
One surface barrier to infection One surface barrier to infection
Video: Diversity of Living Creatures - Charles Darwin & the Beagle's Voyage

For a complete list of videos, visit our video library